AIMC Topic: Neurons

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Spiking networks as efficient distributed controllers.

Biological cybernetics Jun 27, 2018
In the brain, networks of neurons produce activity that is decoded into perceptions and actions. How the dynamics of neural networks support this decoding is a major scientific question. That is, while we understand the basic mechanisms by which neur...
Humans Neural Networks, Computer Algorithms Animals Models, Neurological Action Potentials Brain Computer Simulation Neurons Nerve Net Nonlinear Dynamics Neural Pathways
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A self-organizing short-term dynamical memory network.

Neural networks : the official journal of the International Neural Network Society Jun 20, 2018
Working memory requires information about external stimuli to be represented in the brain even after those stimuli go away. This information is encoded in the activities of neurons, and neural activities change over timescales of tens of milliseconds...
Neurons Synapses Nerve Net Humans Neuronal Plasticity Models, Neurological Neural Networks, Computer Memory, Short-Term Brain
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Interhemispheric dominance switching in a neural network model for birdsong.

Journal of neurophysiology Jun 20, 2018
Male zebra finches produce a sequence-invariant set of syllables, separated by short inspiratory gaps. These songs are learned from an adult tutor and maintained throughout life, making them a tractable model system for learned, sequentially ordered ...
Electric Stimulation Vocalization, Animal Motor Cortex Neural Pathways Functional Laterality Finches Neural Networks, Computer Animals Models, Neurological Neurons Cold Temperature
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Neural network models of the tactile system develop first-order units with spatially complex receptive fields.

PloS one Jun 14, 2018
First-order tactile neurons have spatially complex receptive fields. Here we use machine-learning tools to show that such complexity arises for a wide range of training sets and network architectures. Moreover, we demonstrate that this complexity ben...
Neurons Touch Neural Networks, Computer Models, Neurological
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Quantum-like behavior without quantum physics II. A quantum-like model of neural network dynamics.

Journal of biological physics Jun 8, 2018
In earlier work, we laid out the foundation for explaining the quantum-like behavior of neural systems in the basic kinematic case of clusters of neuron-like units. Here we extend this approach to networks and begin developing a dynamical theory for ...
Nerve Net Models, Neurological Humans Neurons Neural Networks, Computer Brain Quantum Theory Animals
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Convolutional neural network models of V1 responses to complex patterns.

Journal of computational neuroscience Jun 5, 2018
In this study, we evaluated the convolutional neural network (CNN) method for modeling V1 neurons of awake macaque monkeys in response to a large set of complex pattern stimuli. CNN models outperformed all the other baseline models, such as Gabor-bas...
Models, Neurological Neurons Photic Stimulation Neural Networks, Computer Animals Visual Cortex Macaca
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The emergence of polychronization and feature binding in a spiking neural network model of the primate ventral visual system.

Psychological review Jun 4, 2018
We present a hierarchical neural network model, in which subpopulations of neurons develop fixed and regularly repeating temporal chains of spikes (polychronization), which respond specifically to randomized Poisson spike trains representing the inpu...
Neurons Visual Perception Neural Networks, Computer Animals Models, Theoretical
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Assessing functional connectivity across 3D tissue engineered axonal tracts using calcium fluorescence imaging.

Journal of neural engineering Jun 1, 2018
OBJECTIVE: Micro-tissue engineered neural networks (micro-TENNs) are anatomically-inspired constructs designed to structurally and functionally emulate white matter pathways in the brain. These 3D neural networks feature long axonal tracts spanning d...
Calcium Axons Neuroimaging Fluorescence Rats Neurons Entropy Theta Rhythm Delta Rhythm Tissue Engineering Cerebral Cortex Neural Pathways Neural Networks, Computer Pregnancy Female Animals
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Combining biophysical modeling and deep learning for multielectrode array neuron localization and classification.

Journal of neurophysiology May 30, 2018
Neural circuits typically consist of many different types of neurons, and one faces a challenge in disentangling their individual contributions in measured neural activity. Classification of cells into inhibitory and excitatory neurons and localizati...
Neurons Brain Deep Learning Biophysical Phenomena Models, Neurological Electrodes, Implanted Action Potentials
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Neuronal network-based mathematical modeling of perceived verticality in acute unilateral vestibular lesions: from nerve to thalamus and cortex.

Journal of neurology May 29, 2018
Acute unilateral lesions of vestibular graviceptive pathways from the otolith organs and semicircular canals via vestibular nuclei and the thalamus to the parieto-insular vestibular cortex regularly cause deviations of perceived verticality in the fr...
Computer Simulation Models, Neurological Neurons Humans Vestibular Diseases Neural Networks, Computer Vestibular Nerve Cerebral Cortex Thalamus Space Perception
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